Toothbrush



FIG. 1 is a perspective view of my toothbrush;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a right side elevational view of FIG. 1;

FIG. 5 is a top plan view of FIG. 1; and,

FIG. 6 is a bottom plan view of FIG. 1.

The broken lines showing bristles illustrate portions of the toothbrush that form no part of the claimed design. 

The ornamental design for a toothbrush, as shown and described. 